City of Mandurah rangers have closed Avalon Beach in Falcon due to a number of shark sightings.
Three bull sharks were spotted about 500 metres off the Yeedong Road boat ramp around 8.40am on Wednesday.
The Surf Life Saving helicopter has also sighted two sharks off Peron in Rockingham.
The two-metre sharks were swimming about 300 metres offshore around 10am.
Point Peron Beach has also been closed.
Beachgoers are reminded to be extra vigilant in the water.
Teen boy killed after being struck by two cars while crossing road in Warnbro
A 13-year-old boy has tragically died in a horror crash in Warnbro.
Free supplies, health checks, advice for Mandurah pet owners
RSPCA WA will be in Mandurah next week, offering free advice and supplies to pet owners who may be struggling with the costs of caring for their pets.
Rockingham Detectives ask for public's help to find wanted man
Rockingham Detectives are appealing for the public's help to find a 38-year-old man who is wanted over an ongoing investigation.
LISTEN: WA Police release triple-0 call from shooting murder of bikie boss Nick Martin at Kwinana Motorplex
WA Police have released the frantic call made to emergency services after former Rebels bikie boss Nick Martin was fatally shot at the Kwinana Motorplex.
Police pursuit comes to crashing end in East Rockingham
A police pursuit has come to a crashing end in East Rockingham.
Tensions boil over in Rockingham council chambers as motion to reinstate weekly red bin collections is defeated
Tensions have boiled over in the City of Rockingham council chambers after a motion to reinstate weekly red bin collections was defeated.
WA's first public National War & Service Animal Day commemoration to be held at Dawesville War Memorial
Western Australia's first National War & Service Animal Day commemoration will be held at the Dawesville War Memorial this week.
New road safety laws to be named in memory of Furnissdale hit-and-run victim
New road safety laws ensuring dangerous drivers are banned from getting back behind the wheel will be named in memory of a 32-year-old woman who was killed in a hit-and-run crash in Furnissdale.
UK nuclear submarine docks at Rockingham's HMAS Stirling
A UK nuclear-powered submarine has arrived in Western Australia, docking at Rockingham's HMAS Stirling at the weekend.